diff options
| -rw-r--r-- | src/VBox/ValidationKit/utils/audio/vkatCommon.cpp | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/src/VBox/ValidationKit/utils/audio/vkatCommon.cpp b/src/VBox/ValidationKit/utils/audio/vkatCommon.cpp index 238b02fbe02..fdb1e78a6a6 100644 --- a/src/VBox/ValidationKit/utils/audio/vkatCommon.cpp +++ b/src/VBox/ValidationKit/utils/audio/vkatCommon.cpp @@ -280,8 +280,27 @@ static int audioTestPlayTone(PAUDIOTESTENV pTstEnv, PAUDIOTESTSTREAM pStream, PA * has nothing to do with the device emulation scheduling hint. */ AudioTestSetObjAddMetadataStr(pObj, "device_scheduling_hint_ms=%RU32\n", pStream->Cfg.Device.cMsSchedulingHint); + PAUDIOTESTDRVMIXSTREAM pMix = &pStream->Mix; + + uint32_t const cbPreBuffer = PDMAudioPropsFramesToBytes(pMix->pProps, pStream->Cfg.Backend.cFramesPreBuffering); + uint64_t const nsStarted = RTTimeNanoTS(); + uint64_t nsDonePreBuffering = 0; + + uint64_t offStream = 0; + while (cbToPlayTotal) { + /* Pace ourselves a little. */ + if (offStream >= cbPreBuffer) + { + if (!nsDonePreBuffering) + nsDonePreBuffering = RTTimeNanoTS(); + uint64_t const cNsWritten = PDMAudioPropsBytesToNano64(pMix->pProps, offStream - cbPreBuffer); + uint64_t const cNsElapsed = RTTimeNanoTS() - nsStarted; + if (cNsWritten > cNsElapsed + RT_NS_10MS) + RTThreadSleep((cNsWritten - cNsElapsed - RT_NS_10MS / 2) / RT_NS_1MS); + } + uint32_t cbPlayed = 0; uint32_t const cbCanWrite = AudioTestMixStreamGetWritable(&pStream->Mix); if (cbCanWrite) @@ -291,12 +310,16 @@ static int audioTestPlayTone(PAUDIOTESTENV pTstEnv, PAUDIOTESTSTREAM pStream, PA rc = AudioTestToneGenerate(&TstTone, abBuf, cbToGenerate, &cbToPlay); if (RT_SUCCESS(rc)) { - RTTestPrintf(g_hTest, RTTESTLVL_DEBUG, "Playing %RU32 bytes ...\n", cbToPlay); - /* Write stuff to disk before trying to play it. Help analysis later. */ rc = AudioTestSetObjWrite(pObj, abBuf, cbToPlay); if (RT_SUCCESS(rc)) + { rc = AudioTestMixStreamPlay(&pStream->Mix, abBuf, cbToPlay, &cbPlayed); + if (RT_SUCCESS(rc)) + { + offStream += cbPlayed; + } + } } if (RT_FAILURE(rc)) @@ -311,6 +334,9 @@ static int audioTestPlayTone(PAUDIOTESTENV pTstEnv, PAUDIOTESTSTREAM pStream, PA cbToPlayTotal -= cbPlayed; } + if (RT_SUCCESS(rc)) + rc = AudioTestMixStreamDrain(&pStream->Mix, true /*fSync*/); + if (cbToPlayTotal != 0) RTTestFailed(g_hTest, "Playback ended unexpectedly (%RU32 bytes left)\n", cbToPlayTotal); } |